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BOSTON MARATHON 2026

Fen Li

Bib: 16819•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 43%
Gender (Female)
#0 / 12578
Top 28%
Masters (Masters Women)
#0 / 6862
Top 12%
Age Group (F45-49)
#0 / 1786
Top 13%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:54
3.11 mi
Rank: #14488
Start → 5K
23:54 | 7:42/mi
10K
48:07
6.21 mi
Rank: #15004 (-516)
5K → 10K
24:13 | 7:48/mi
15K
1:11:38
9.32 mi
Rank: #14419 (+585)
10K → 15K
23:31 | 7:35/mi
20K
1:35:28
12.43 mi
Rank: #14163 (+256)
15K → 20K
23:50 | 7:41/mi
HALF
1:40:40
13.11 mi
Rank: #14137 (+26)
20K → HALF
5:12 | 7:38/mi
25K
1:59:07
15.53 mi
Rank: #13803 (+334)
HALF → 25K
18:27 | 7:37/mi
30K
2:23:12
18.64 mi
Rank: #13394 (+409)
25K → 30K
24:05 | 7:46/mi
20M
2:33:39
20.00 mi
Rank: #13146 (+248)
30K → 20M
10:27 | 7:42/mi
21M
2:42:02
21.00 mi
Rank: #13084 (+62)
20M → 21M
8:23 | 8:23/mi
35K
2:47:38
21.75 mi
Rank: #12987 (+97)
21M → 35K
5:36 | 7:30/mi
23M
2:57:24
23.00 mi
Rank: #12835 (+152)
35K → 23M
9:46 | 7:49/mi
24M
3:04:55
24.00 mi
Rank: #12704 (+131)
23M → 24M
7:31 | 7:31/mi
40K
3:11:26
24.85 mi
Rank: #12580 (+124)
24M → 40K
6:31 | 7:38/mi
25.2M
3:14:21
25.20 mi
Rank: #12545 (+35)
40K → 25.2M
2:55 | 8:28/mi
FINISH
3:22:12
26.22 mi
Rank: #12530 (+15)
25.2M → FINISH
7:51 | 7:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:40:40
Pace7:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:32
Pace7:45 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:1423:547:4223:54
7:42
-
10K
6.21 mi11:29:2748:077:4524:13
7:48
+0:06
15K
9.32 mi11:52:581:11:387:4223:31
7:35
-0:13
20K
12.43 mi12:16:481:35:287:4123:50
7:41
+0:06
HALF
13.11 mi12:22:001:40:407:415:12
7:38
-0:03
25K
15.53 mi12:40:271:59:077:4118:27
7:37
-0:01
30K
18.64 mi13:04:322:23:127:4124:05
7:46
+0:09
20M
20.00 mi13:14:592:33:397:4110:27
7:42
-0:04
21M
21.00 mi13:23:222:42:027:438:23
8:23
+0:41
35K
21.75 mi13:28:582:47:387:435:36
7:30
-0:53
23M
23.00 mi13:38:442:57:247:439:46
7:49
+0:19
24M
24.00 mi13:46:153:04:557:437:31
7:31
-0:18
40K
24.85 mi13:52:463:11:267:436:31
7:38
+0:07
25.2M
25.20 mi13:55:413:14:217:432:55
8:28
+0:50
FINISH
26.22 mi14:03:323:22:127:447:51
7:43
-0:45

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:30 /mi

Average Pace

7:43 /mi

Slowest Pace

8:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:10:54

94% of race

Time at Steady Pace

11:18

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:05:1423:547:4223:54
7:42
#14488
10K
6.21 mi11:29:2748:077:4524:13
7:48
#15004
15K
9.32 mi11:52:581:11:387:4223:31
7:35
#14419
20K
12.43 mi12:16:481:35:287:4123:50
7:41
#14163
HALF
13.11 mi12:22:001:40:407:415:12
7:38
#14137
25K
15.53 mi12:40:271:59:077:4118:27
7:37
#13803
30K
18.64 mi13:04:322:23:127:4124:05
7:46
#13394
20M
20.00 mi13:14:592:33:397:4110:27
7:42
#13146
21M
21.00 mi13:23:222:42:027:438:23
8:23
#13084
35K
21.75 mi13:28:582:47:387:435:36
7:30
#12987
23M
23.00 mi13:38:442:57:247:439:46
7:49
#12835
24M
24.00 mi13:46:153:04:557:437:31
7:31
#12704
40K
24.85 mi13:52:463:11:267:436:31
7:38
#12580
25.2M
25.20 mi13:55:413:14:217:432:55
8:28
#12545
FINISH
26.22 mi14:03:323:22:127:447:51
7:43
#12530
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi144884355435513416(Top 46%)3813(Top 30%)3813(Top 213%)
10K6.21 mi3.10 mi15004-5164715-3604715-36015595(Top 54%)5063(Top 40%)5063(Top 283%)
15K9.32 mi3.11 mi14419+5854372+3434372+34313416(Top 46%)3813(Top 30%)3813(Top 213%)
20K12.43 mi3.11 mi14163+2564236+1364236+13613481(Top 46%)3930(Top 31%)3930(Top 220%)
HALF13.11 mi0.68 mi14137+264229+74229+714128(Top 49%)4212(Top 33%)4212(Top 236%)
25K15.53 mi2.42 mi13803+3344052+1774052+17712339(Top 43%)3358(Top 27%)3358(Top 188%)
30K18.64 mi3.11 mi13394+4093869+1833869+18311629(Top 40%)3107(Top 25%)3107(Top 174%)
20M20.00 mi1.36 mi13146+2483760+1093760+10910590(Top 36%)2693(Top 21%)2693(Top 151%)
21M21.00 mi1.00 mi13084+623742+183742+1812389(Top 43%)3724(Top 30%)3724(Top 209%)
35K21.75 mi0.75 mi12987+973705+373705+3710805(Top 37%)2917(Top 23%)2917(Top 163%)
23M23.00 mi1.25 mi12835+1523639+663639+6611082(Top 38%)3152(Top 25%)3152(Top 176%)
24M24.00 mi1.00 mi12704+1313582+573582+5710254(Top 35%)2801(Top 22%)2801(Top 157%)
40K24.85 mi0.85 mi12580+1243545+373545+379810(Top 34%)2673(Top 21%)2673(Top 150%)
25.2M25.20 mi0.35 mi12545+353540+53540+511409(Top 39%)3565(Top 28%)3565(Top 200%)
FINISH26.22 mi1.02 mi12530+153559-193559-1913027(Top 45%)4391(Top 35%)4391(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21
+97ft-345ft

Overall

13416

Females

3813

F45-49

3813

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15595

Females

5063

F45-49

5063

10K→15K

6.2 - 9.3 mi

Top 46%
×3
+67ft-78ft

Overall

13416

Females

3813

F45-49

3813

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13481

Females

3930

F45-49

3930

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14128

Females

4212

F45-49

4212

HALF→25K

13.1 - 15.5 mi

Top 43%
×4
+66ft-88ft

Overall

12339

Females

3358

F45-49

3358

25K→30K

15.5 - 18.6 mi

Top 40%
×9
+181ft-148ft

Overall

11629

Females

3107

F45-49

3107

30K→20M

18.6 - 20.0 mi

Top 36%
×5
+64ft-50ft

Overall

10590

Females

2693

F45-49

2693

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12389

Females

3724

F45-49

3724

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10805

Females

2917

F45-49

2917

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

11082

Females

3152

F45-49

3152

23M→24M

23.0 - 24.0 mi

Top 35%
×6
+12ft-82ft

Overall

10254

Females

2801

F45-49

2801

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9810

Females

2673

F45-49

2673

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11409

Females

3565

F45-49

3565

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

13027

Females

4391

F45-49

4391

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2942*
Passed By
545
Net Change
+1958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14488
5K → 10K123200-516#14488#15004
10K → 15K617*32+585#15004#14419
15K → 20K313*57+256#14419#14163
20K → HALF4620+26#14163#14137
HALF → 25K344*10+334#14137#13803
25K → 30K440*31+409#13803#13394
30K → 20M254*6+248#13394#13146
20M → 21M10846+62#13146#13084
21M → 35K10710+97#13084#12987
35K → 23M18331+152#12987#12835
23M → 24M14413+131#12835#12704
24M → 40K1339+124#12704#12580
40K → 25.2M5520+35#12580#12545
25.2M → FINISH7560+15#12545#12530
TOTALS2942*545+1958

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing